Khoẻ Đẹp is a free iPhone app designed to help users maintain a healthy body by monitoring key body indicators such as BMI, BMR, and ideal weight. It offers a compact set of features including body index calculations like BMI, BMR, daily calorie needs, ideal body weight, nutrition for meals, body fat percentage, and calories burned.

Moreover, the app assists users in creating a plan to achieve their ideal weight by calculating essential body indexes, helping them devise a nutritional plan for reaching their desired body weight effectively. Khoẻ Đẹp also allows users to look up the nutritional content of popular Vietnamese dishes, enhancing their dietary choices and knowledge.